IMSUB in WPS on Windows FAQ

Q: What should I do if the IMSUB function shows an error after I enter it?

Check whether the formula starts with = . Confirm that the parentheses, separator, and number of arguments are correct. Review the syntax prompt and make sure the complex-number format is valid. Press Enter again to confirm the formula.

Q: How can I view guidance for the IMSUB function?

Select the target cell and type =IMSUB( . Look for the syntax prompt near the editing area. Use the prompt to confirm the argument order and input format.

When using IMSUB, the most common questions focus on formula errors, syntax guidance, and result checking; this FAQ includes 3 common questions plus a glossary.

FAQ

What should I do if the IMSUB function shows an error after I enter it?

Check whether the formula starts with =.
Confirm that the parentheses, separator, and number of arguments are correct.
Review the syntax prompt and make sure the complex-number format is valid.
Press Enter again to confirm the formula.

How can I view guidance for the IMSUB function?

Select the target cell and type =IMSUB(.
Look for the syntax prompt near the editing area.
Use the prompt to confirm the argument order and input format.

Why is my IMSUB result incorrect in WPS on Windows?

Check whether referenced cells contain numbers stored as text.
Confirm that the complex-number format is complete and consistent.
Check whether there is a circular reference.
Press F9 to recalculate and review the result again.

Glossary

Term	Definition
IMSUB	A function used to calculate the difference between two complex numbers.
Complex number	A number made up of a real part and an imaginary part, often written like `3+4i`.
Syntax prompt	The on-screen hint that shows argument details and input format while you type a function.